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1420141479 = 3473380493
BaseRepresentation
bin101010010100101…
…1010001110100111
310122222020122212120
41110221122032213
510402024011404
6352530321023
750123001111
oct12451321647
93588218776
101420141479
116696a6349
12337729173
131982b1403
14d68763b1
1584a229d9
hex54a5a3a7

1420141479 has 4 divisors (see below), whose sum is σ = 1893521976. Its totient is φ = 946760984.

The previous prime is 1420141469. The next prime is 1420141493. The reversal of 1420141479 is 9741410241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9741410241 = 33247136747.

It is a cyclic number.

It is not a de Polignac number, because 1420141479 - 219 = 1419617191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420141469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236690244 + ... + 236690249.

It is an arithmetic number, because the mean of its divisors is an integer number (473380494).

Almost surely, 21420141479 is an apocalyptic number.

1420141479 is a deficient number, since it is larger than the sum of its proper divisors (473380497).

1420141479 is an equidigital number, since it uses as much as digits as its factorization.

1420141479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473380496.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1420141479 is about 37684.7645474932. The cubic root of 1420141479 is about 1124.0281922721.

The spelling of 1420141479 in words is "one billion, four hundred twenty million, one hundred forty-one thousand, four hundred seventy-nine".

Divisors: 1 3 473380493 1420141479